<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户登录</title>
</head>
<body>
<form action="/day070/loginServlet" method="post" align="center">
  <label for="username"> 用户:<input type="text" name="username" id="username" placeholder="请输入用户名">
  </label><br>
    <label for="password"> 密码:<input type="text" name="password" id="password" placeholder="请输入密码">
    </label><br>
    <input type="submit" name="btn" value="登录">
</form>
</body>
</html>